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Finding the Fourth Proportional to 52,504.64, 72,455.52 and 28,631.48

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Solution

The fourth proportional to 52,504.64, 72,455.52 and 28,631.48 is: 39,510.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,504.64 : 72,455.52 = 28,631.48 : x
  2. Step 2: Convert to fraction form
    52,504.64/72,455.52 = 28,631.48/x
  3. Step 3: Cross multiply
    52,504.64x = 72,455.52 × 28,631.48
  4. Step 4: Simplify right side
    52,504.64x = 2,074,508,771.77
  5. Step 5: Solve for x
    x = 2,074,508,771.77/52,504.64
  6. Step 6: Final answer
    x = 39,510.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.